Pure, clear, or vigilant
Cacie is a modern spelling variant of Casey or Cassie. It is often used as a diminutive of Catherine, meaning 'pure', or derived from the Irish surname O Cathasaigh, meaning 'vigilant' or 'watchful'.
Fewer than 5 girls were named Cacie in 2025.
US births per 5-year period, 1990–present (SSA data).
